The Government-funded campaign, which was widely praised for its honest adverts aimed at women of all shapes and sizes, has encouraged 2.8 million women aged 14-40 to exercise more, according to new figures.

It's had a positive influence on 1.6 million women - who said they have now started exercising.

An image from the This Girl Can campaign

The new findings are based on a study by TNS BRMB to celebrate the campaign's first birthday.

It interviewed 1,000 women in November about their attitudes to physical activity and This Girl Can.

The results come weeks after Sport England’s annual survey found that 148,700 more women were active for at least 30 minutes once a week, every week in the 12 months up to September 2015, compared to the 12 months up to March 2015.

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Jennie Price, Sport England’s chief executive, said: “I’m very encouraged by these new figures, which back up the Active People results we saw last month. They show This Girl Can is not just being talked about, but is also changing behaviour.

“But the job is far from done. With a gender gap of 1.73 million fewer women playing sport compared to men, we need to keep getting the message out there that women come in all shapes and sizes and levels of ability, and they should all feel able to exercise and play sport.”

An image from the This Girl Can campaign

The This Girl Can ads aimed to boost women's confidence with exercise and featured slogans such as "sweating like a pig, feeling like a fox" and "I kick balls, deal with it".

The videos were viewed more than 37 million times on social media and 540,000 women and girls have joined the This Girl Can online community, as well as the ads reaching 110 countries in the world.